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Round|Lab Grown|IGI

1.86ct H SI1 Round Lab Grown Diamond

EX • H/SI1 • IGI LG582366916

Shape and cutting style on the report: Round brilliant

Certificate IGI LG582366916

Diamond specifications and retailer prices

From €316 EUR
$353 USD
As of November 1, 2026
Save €1,218 EUR (79%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: €1,533 EUR at MOH London · As of November 1, 2026
View at MOH London

About this 1.86ct lab-grown round diamond

This 1.86ct lab-grown round sits in the one-and-a-half to two carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG582366916 or 582366916. Listed at 10 retailers as of November 1, 2026, with prices from €316 to €1,533, a €1,218 spread on the same certified stone. MOH London lists it at €1,533. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.86
Carat
H
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.5°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG582366916
Dimensions7.95 × 7.93 × 4.81 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
7.95 mm7.93 mm1.86 ctH / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG582366916
Side View
Table 56.0%Crown 32.5°Girdle: MediumPavilion 40.4°Culet: NoneDepth 60.6%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: €1,533 EUR|Low: €316 EUR|High: €1,638 EUR|Avg: €851 EUR|-1.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 1, 2026
Retailer 9€316 EUR
Retailer 4€492 EUR
Retailer 5€493 EUR
Retailer 7€582 EUR
Retailer 6€603 EUR
Retailer 3€607 EUR
Retailer 2€913 EUR
Retailer 10€1,112 EUR
Retailer 8€1,437 EUR
MOH London€1,533 EUR

22 data points across 10 retailers

10 retailers€316 EUR to €1,533 EUR

A
Cheapest Retailer
-
€316 EUR
$353 USD
Final sale: no returns
A
Retailer 2
-
€492 EUR
$550 USD
View
A
Retailer 3
-
€493 EUR
HK$4,300 HKD
View
A
Retailer 4
-
€582 EUR
$650 USD
View
A
Retailer 5
-
€603 EUR
$674 USD
View
A
Retailer 6
-
€607 EUR
View
A
Retailer 7
-
€913 EUR
$1,020 USD
View
A
Retailer 8
-
€1,262 EUR
$1,410 USD
View
B+
Retailer 9
-
€1,437 EUR
SGD 2,169 SGD
View
Most Expensive
B+
MOH London
LG582366916 · Nov 1
€1,533 EUR
£1,349 GBP
View
9 more retailers have this diamond
Prices start from €316 EURSave up to €1,218 EUR

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
1.86ct Round
€316 EUR